falda

Hello everyone I'm new. I have a problem with the command 'cut with falde' of archicad 16. when they select the wall and the ground layer I press right-click, I go on connect and then on size with ground. but at the confirmation it eliminates all the selected wall and not only the part I wanted...

good morning to all I would like to succeed in finding a way to get the rendering of the tilted falde roof that I am making through autocad2010 ... I can apply the textures on flat horizontal or vertical surfaces but not on the inclined ones so when rendering I do not get the desired result. Is...